MSA PrimaX I
MSA PrimaX I
MSA PrimaX I

MSA Safety PrimaX I Gas Transmitter

Code: ATO A_PRIMAX
  • For toxic gases & oxygen
  • 4-20 mA output signal & optional HART digital communication
  • Plug-in sensors, simple installation and easy calibration

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The PrimaX I Gas Transmitter is a reliable gas detection solution for indoor and outdoor use. The transmitter can detect toxic gases and oxygen and is housed in an anti-static, reinforced nylon enclosure. With a large, easy-to-read LCD screen, the transmitter attaches to an integral mounting plate for hassle-free installation. Additionally, the built-in keypad enables quick and simple calibration.

The unit uses a 4-20 mA output signal to transmit data and can also be configured to use HART digital communication. With easily replaced plug-in sensors, the PrimaX I transmitter suits laboratories, chemical plants, power plants and several other industry settings.

Features 

  • Robust, anti-static, reinforced nylon housing (IP 66)
  • Integral mounting plate for quick and easy installation
  • Large, easy-to-read LCD display
  • Menu, gas concentration and error messages displayed in plain text
  • Plug-in replacement sensor
  • Quick-release connector
  • 4–20 mA output signal and SIL 2
  • HART digital communication option

Transmitters

PrimaX I Housing option: PM (Plastic)
PrimaX P Housing option: AM/AN (Aluminium)
PrimaX IR Housing option: AM/AN & SM/SN (Aluminium & Stainless Steel)

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Title Size
PrimaX-I Datasheet 291 KB
PrimaX I Quick Start Guide 517 KB
PrimaX I Operating Manual 738 KB
PrimaX I Configurator 272 KB

Additional information

Weight 0.190 kg

Specifications

Sensors
Oxygen & Toxic Electrochemical
Performance
Typical response time* τ₉₀ ≤ 20 sec. (Combustible)
τ₉₀ ≤ 25 sec. (O₂)
τ₉₀ ≤ 20 sec. (CO)
τ₉₀ ≤ 12 sec. (H₂S)
Sensor operating life* up to 3 years in clean air
Operating temperature* -40 °C to +70 °C (-40 °F to +160 °F)
Operating humidity range 15% to 90% RH non-condensing
Operating pressure range 80-120 kPa
Electrical
Supply voltage 19.2 to 28 VDC (24 VDC nominal)
Output signal 4-20 mA (max. load 300 ohm)
Power consumption 0.7 watt typical at 24 VDC
Terminals 2 wire – up to 2.5 mmW
Display & Indicators
Display Alphanumeric LCD
LED status indicators Green, Yellow and Red
Options
HART digital protocol Diagnostics and configuration
Physical
Ingress Protection IP 66
Weight 1.2 kg (2.6 lbs)
Dimensions 220 x 162 x 81 mm (H x W x D)
Material Anti-static reinforced nylon
Cable gland thread M25 x 1.5 mm2
Approvals
ATEX/IECEx Gas – II 1G Ex ia IIC T4 Ga
Dust – II 2D Ex ia IIIC T130°C Db
EN 50104, EN 45544
UL Class I, Div. 1, Groups A, B, C, D;
Class II, Div. 1, Groups F, G;
Class III
Other Approvals CSA, CMC, CCCF, EAC, INMETRO, HART registered, BG RCI
Safety Integrity Level SIL 2

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